Van de Zandschulp’s breakthrough happened at the 2021 US Open when he became the third qualifier in US Open history to reach the quarterfinals of the tournament. He reached this stage after defeating seeded Casper Ruud and Diego Schwartzman before losing to eventual champion Daniil Medvedev. His finish made him the only man to progress to the main draw of all four majors through qualifying in one year. Despite having lost the match, he was also Medvedev’s only opponent to take a set from him on his way to winning the tournament. Van de Zandschulp qualified for the first time in the main singles draw of a Grand Slam tournament at the 2021 Australian Open, where he was defeated by fellow qualifier Carlos Alcaraz. As a result, he reached a career-high of No. 145 on 22 February 2021 and was the No. 1 Dutch tennis singles player for a brief period from 8 February 2021 until 22 March 2021.
Márton Fucsovics (Hungarian: Fucsovics Márton, pronounced [ˈfut͡ʃovit͡ʃ ˈmaːrton]; born 8 February 1992) is a Hungarian professional tennis player. He achieved a career-high ATP singles ranking of No. 31 on 4 March 2019. Fucsovics started to play tennis at the age of five. He came through the ranks quickly and at the age of 8 he played in a field 3–4 years older.